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How to Carry Out Sprout Regeneration of Black Locust? Detailed Practical Technical Points
1. Site clearing. After clearcutting black locust, a large amount of residues, shrubs and weeds accumulate on the site, which are obstacles to sprout regeneration and should be cleared in time. The main purpose is to improve site conditions and sanitation, create a favorable environment for young tree growth, and promote the young stand to close its canopy as soon as possible. 2. Forest land enclosure. To shorten the forest cultivation cycle, comprehensive enclosure measures are adopted for black locust clearcut sites. Cattle and sheep specifically browse the tender shoots of young trees and cause extremely severe damage to black locust sprouts, so dedicated personnel must be assigned for supervision and protection, grazing must be strictly prohibited; mowing and firewood gathering are strictly prohibited,
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Detailed Explanation of Key Technical Points for Hardwood Cutting Propagation of Black Locust
1. Collection and Storage of Cutting Wood At the end of November, collect current-year superior clone cutting wood from the cutting orchard, or collect current-year seedling stems used for trunk-cutting afforestation, cut into short cuttings 18-20cm long, with each cutting retaining at least 2 buds. The upper cut is 1.0-1.5cm from the upper bud, and the lower cut is made into a single horseshoe shape. After cutting, tie the cuttings in bundles of 50, place them in a cool outdoor spot, and bury them with clean fine river sand (60% moisture content). One layer of cuttings, one layer of sand, trying to ensure every piece of cutting wood contacts sand. Cover each layer of cuttings with sand 3-5cm thick, then
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Key Technical Points and Detailed Methods for Black Locust Seedling Cultivation
(1) Thinning: Black locust seedlings are light-loving and differentiate early. If seedling density is too high, differentiation becomes even more pronounced, so timely thinning is necessary. The first thinning is carried out when seedlings are 3-4 cm tall, removing diseased and weak seedlings. Afterward, based on seedling growth and density, 1-2 more thinnings are carried out. 12-15 seedlings should be retained per meter of row length. Retaining approximately 12,000-15,000 seedlings per 667 sq m is appropriate.(2) Watering and topdressing: Do not water before black locust seedlings emerge, to avoid surface soil crusting that causes uneven emergence. After emergence, water timely and appropriately, regularly
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What are the key technical points for land preparation and fertilization in black locust (Robinia pseudoacacia) seedling cultivation?
The method for land preparation and fertilization in black locust seedling cultivation is: the seedling bed should undergo deep plowing and thorough harrowing, preferably deep plowing in autumn or winter, and in the following early spring, harrowing fine and level while the soil is still frozen, to a depth of 20 to 30 cm, removing stones and grass roots during harrowing. Apply 4000 to 5000 kg of decomposed barnyard manure per mu, and apply 10 to 15 kg of ferrous sulfate to control underground pests.
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Cultivation Management Methods and Technical Key Points for Swan River Daisy
Aliases: Yanshou chrysanthemum English name: Brachycome Scientific name: Brachycome iberidifolia Origin: Australia Blooming period: June-September Flower colors: mixed combination of blue, white, and pink Family and genus: Asteraceae, Brachycome genus Characteristics: weak cold tolerance, intolerant of severe heat and high temperatures, suitable for dry and sunny environments, requires well-drained soil. Sowing and seedling raising: blooms in summer and autumn, about 7500 seeds/gram, optimal germination temperature
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Magnolia Propagation and Cultivation Methods and Key Technical Points
Magnolia Propagation, Cultivation, and Pest and Disease Control I. Morphological Characteristics: A deciduous tree, about 25m tall. Leaves alternate, relatively large, broadly obovate to obovate, entire margins. Flowers solitary at the branch tips, white bell-shaped, fragrant. Flowering period varies by region, such as November to December in Kunming, February to March in Guangzhou, March in Hangzhou; cultivated varieties are short with dense branches, flowers large and dense. Seedling plants are tall with straight trunks, branches slightly sparse, flowers sparse and foliage lush, but highly adaptable and fast-growing. Propagated by sowing, grafting, layering, and cuttings. Growth Habits: Warm and humid
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Cultivation and Management Methods and Technical Points for Melampodium
Scientific name: Melampodium divaricatum (Pers) DC. Family and genus: Asteraceae. Distribution: Central and South America. Introduction: Annual or biennial herb, plant height about 30-50 cm, whole plant rough, densely branched, leaves opposite, broadly lanceolate or long ovate, apex acuminate, serrated margins, about 8 cm long, blooms from spring to autumn, capitulum terminal, star-shaped, flower diameter about 2 cm, ray florets golden yellow, tubular florets yellow-brown
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Detailed Explanation of the Key Technical Points for Cultivating and Managing Spray Chrysanthemums
Chrysanthemums are one of China's ten traditional famous flowers. They can be grown in a wide range of regions, with many varieties, abundant flower colors, and changeable flower forms. They bloom proudly in the frost of late autumn when hundreds of flowers have withered, and they have high ornamental value. Potted spray chrysanthemums, in particular, are deeply loved by people because of their compact plant shape, neatly arranged flowers, and ability to display varietal characteristics. How to grow spray chrysanthemums well - technique is the key. 1. Potting soil preparation. How well chrysanthemums grow and how they bloom is closely related to potting soil preparation. Chrysanthemums dislike waterlogging and tolerate drought, like a certain amount of fertility, and cannot tolerate excessive fertility.
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Spring Disease Prevention and Treatment Methods and Technical Points for Sick Pigeons
In spring, temperatures fluctuate abnormally, and pigeons, irritated by colds and severe cold, are prone to rhinitis. Sick pigeons show sneezing, moist cere, dull feathers, listlessness, watery eyes, and reduced appetite, and in severe cases it can even lead to death. Therefore, in spring, the flock should be carefully observed, and sick pigeons should be treated promptly so they can recover their health as soon as possible. The prevention and treatment measures are: 1. Strengthen feeding management. Keep the cage and loft air circulating and fresh, do a good job of cold protection and warmth, and strictly prevent drafts and "thief wind" from invading. 2. Drug treatment. Sick pigeons are given oral streptomycin, each time
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How to Process Feed for Mink and Foxes? A Detailed Explanation of the Technical Points
Fur animals such as mink and foxes have well-developed canine teeth, a short digestive tract, a small stomach volume, no cecum, and fast food passage through the digestive tract; moreover, their digestive glands secrete little amylase and more lipase. Therefore, their feed should be based mainly on animal-based feed, and especially animal protein feed should account for a very large proportion of the diet. Thus, the feed processing and preparation methods for mink and foxes have distinct characteristics, which are introduced below: 1. Material selection. Large pieces of fat should be removed from meat feed, the gallbladder and thyroid should be removed from livestock and poultry offal, and lumps, impurities or foreign matter should be picked out of dried animal powder and grain powder.
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